Quote #18574
Rarely do we find men who willingly to engage in hard, solid thinking. There...
Quote #22695
There is no security on earth there is only opportunity.
Quote #34495
It’s time for the human race to enter the solar system.
Quote #7327
Only passions, great passions, can elevate the soul to great things.
Quote #31008
No one is free who has not obtained the empire of himself.
Quote #19071
Like dogs in a wheel, birds in a cage, or squirrels in a chain,...
Quote #14060
Knowledge is of two kinds: we know a subject ourselves, or we know where...
Quote #24224
Anyone who has never made a mistake has never tried anything new.
Quote #23572
It is not necessary to change. Survival is not mandatory.
Quote #31767
When you talk, you repeat what you already know when you listen, you often...